@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Inter:wght@400;500;700&display=swap');

:root {
    --bg-color: #0b0f19;
    --surface-color: #111827;
    --surface-hover: #1f2937;
    --primary-color: #00d2ff;
    --secondary-color: #3a7bd5;
    --text-color: #f3f4f6;
    --text-muted: #9ca3af;
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
    --card-border: rgba(0, 210, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(58, 123, 213, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 210, 255, 0.05) 0px, transparent 50%);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Навигация */
.navbar {
    background-color: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Главный экран */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 60px;
}

.hero-content h1 {
    font-family: var(--font-mono);
    font-size: 2.8rem;
    margin-bottom: 15px;
    min-height: 55px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content .subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 35px;
    font-weight: 400;
}

/* Кнопки */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: #fff;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.2);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.4);
}

.btn-outline {
    display: inline-block;
    border: 1px solid var(--card-border);
    color: var(--primary-color);
    padding: 8px 20px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    background: rgba(0, 210, 255, 0.05);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #0b0f19;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

/* Секция проектов */
.projects-section {
    padding: 100px 0;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    margin-bottom: 50px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-title span {
    color: var(--primary-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.project-card {
    background-color: var(--surface-color);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    background-color: var(--surface-hover);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
    color: #fff;
    font-family: var(--font-mono);
}

.project-desc {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 1rem;
    flex-grow: 1;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.tag {
    background-color: rgba(255, 255, 255, 0.05);
    color: #c9d1d9;
    font-size: 0.8rem;
    padding: 5px 12px;
    border-radius: 20px;
    font-family: var(--font-mono);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-actions {
    margin-top: auto;
}

/* Футер */
footer {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        gap: 15px;
    }
}